Directions : In each of the following questions a statement is given, followed by three conclusions. Give answer :
Statement : The employees association has appealed to the Managers of Company Z to introduce written examinations for clerical cadre recruitment to prevent selection of incompetent persons.
Assumptions :
I. So far the Company Z used to select candidates without conducting a written examination.
II. A written examination can help to identify competent persons.
III. At higher level, written examination may not be of much use.